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#!/usr/bin/env python
# Copyright (c) Microsoft Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
from pathlib import Path
from typing import List
LICENSE_HEADER = """
# Copyright (c) Microsoft Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
""".strip()
def file_has_license(file_path: str) -> None:
path = Path(file_path)
if not path.name.endswith(".py"):
return
if not path.exists():
raise Exception(f"File {file_path} does not exist")
content = path.read_text(encoding="utf-8")
if content.strip() == "":
return
if content.startswith("#!"):
# flake8: noqa: E203
content = content[content.find("\n") + 1 :]
if not content.startswith(LICENSE_HEADER):
raise Exception(f"File {file_path} does not have license header")
def main() -> None:
errors: List[str] = []
for file_path in sys.argv[1:]:
try:
file_has_license(file_path)
except Exception as e:
errors.append(str(e))
if errors:
print("Missing license header in files:")
for error in errors:
print(" -", error)
sys.exit(1)
if __name__ == "__main__":
main()
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